CN101680570A

CN101680570A - Lockout device

Info

Publication number: CN101680570A
Application number: CN200780053179A
Authority: CN
Inventors: M·布罗加纳克; F·斯科特; S·查内基
Original assignee: Master Lock Co LLC
Current assignee: Master Lock Co LLC
Priority date: 2007-06-01
Filing date: 2007-06-26
Publication date: 2010-03-24
Anticipated expiration: 2027-06-26
Also published as: BRPI0721711A2; US7870767B2; US20110056567A1; EP2162655A4; US8347671B2; CA2689130C; WO2008147372A1; EP2162655A1; US20070240766A1; AU2007354344A1; CA2689130A1; CN101680570B; MX2009013014A

Abstract

A lockout device is provided for an instrument having a body and an actuating member extending from the body for operating the instrument. The lockout device includes a bottom member, a cover member,and a flexible member. The bottom member and cover member are adapted to receive a cinching portion of the flexible member between first and second cinching features One of the first and second cinching features includes at least one pin, and the other of the first and second cinching features includes at least one corresponding recess configured to receive the at least one pin. When the flexiblemember is wrapped around a portion of the body and received between the first and second cinching features and the cover member is in a closed position, the first and second cinching features preventmovement of a cinching portion of the flexible member.

Description

Blocking device

The cross reference of related application

The application is the co-pending U. S. application sequence number 11/452 that is called " Lockout Device (blocking device) " in the name that on June 13rd, 2006 submitted to, 051 partial continuous case, it advocates the U.S. Provisional Application sequence number 60/689 in submission on June 13rd, 2005,854 rights and interests, these two pieces of patent applications all are attached to herein in its mode that quotes in full and there is no inconsistent degree to them and the application.

Technical field

The present invention relates to a kind of blocking device that is used for instrument, this instrument has main body and from the actuation member that is used to operate this instrument of this Subject Extension.

Background technique

Safety installations such as padlock and other types of conventional lock is as known in the art.Provide many safety installationss to be used to limit approaching to equipment and control instrument, these equipment and control instrument for example comprise such as the such electric component of switch, dial and button, and such as valve and the such fluid system component of pressure regulator.Exemplary safety installations is to be used to the valve blocking device that prevents from valve is operated, and it can use during the fluid system that is associated is safeguarded or under other condition of the mobile setting that must not change valve.

The valve blocking device is limiting the motion that is attached to the handle on the valve rod usually, and valve rod is configured to actuate this valve.These devices use substantially that device only leans on, opposing, repulsion or instead supporting valve body or directly be attached to pipeline on the valve.Because a large amount of valve MANUFACTURER and a variety of valve size, duct size, valve body shape and valve handle size are arranged, it is limited can using the valve-type of single this sampling device design, then needs to remain with polytype or big or small handle that the valve blocking device is provided constraints and adapts to employed number of different types and big or small valve in typical plant.In addition, the mounting point of valve self and position can be different.Orientation of valve (vertically or level) and valve may influence the ability that locking device and valve are assembled into other workpiece gap apart of wall, pipeline or equipment.In addition, in particular design, if the level type handle be attached to valve and valve by locking in any other position except open position, then handle extends beyond the big envelope of valve body.With this understanding, handle becomes moment arm, can utilize enough big power to take off this moment arm, but this impairs the blocking of valve.

Summary of the invention

But the application has described the blocking device that is used for operating instrument, but described operating instrument comprises such as flow adjustment, closes and mobile switching valve is the fluid system component of example.Many such valves can be by operating the manual control of carrying out such as the such actuation member of valve rod, and valve rod extends and can be rotated, spurs, promotes or take alternate manner to move to change flowing of system fluid by this valve from valve body.The example of these valves comprises ball valve, gate valve, needle-valve, toggle valve and diaphragm valve.For many valves, independent valve handle is attached on the actuation member and moves this actuation member with facility by the extension part that is easy to grasping and manipulation is provided.The shortcoming of this handle is wishing under the situation of valve blocking, the size of handle and shape may limit the type of the blocking device that can fit together with valve, and in many cases, it is come-at-able that handle all or part of is still, and provides to arrogate to oneself or the chance of accident collision handle.By the blocking device that is suitable for being assembled on the valve actuation member is provided, these shortcomings have been got rid of after removing handle.

In the application's a embodiment, the valve blocking device is provided, it possesses cover and flexible member, and cover is used to limit approaching to the valve actuation member, and flexible member is attached on the cover and can be around the valve body tensioning so that cover is fixed on the valve.

Description of drawings

By the following specific descriptions of making referring to accompanying drawing, other characteristics and advantage will become apparent, in the accompanying drawings:

Fig. 1 illustrates the schematic cross-section of the blocking device that is in closure or locked position of coupler;

Fig. 2 A is the side cross-sectional, view of hinge portion that is in the locking device of locked position of coupler;

Fig. 2 B is the side cross-sectional, view of the hinge portion of Fig. 2 A of being shown in an open position;

Fig. 3 is the local side cross-sectional, view that is in the blocking device of locked position of coupler;

Fig. 4 is the local side cross-sectional, view that is in another blocking device of locked position of coupler;

Fig. 5 A is the perspective view that is in the blocking device of closed state;

Fig. 5 B is the perspective view of blocking device that is in Fig. 5 A of open mode.

Fig. 6 A is the perspective view that is in another blocking device of closed state;

Fig. 6 B is the perspective view of blocking device that is in Fig. 6 A of open mode;

Fig. 7 A is the perspective view that is in another blocking device of closed state;

Fig. 7 B is the perspective view of blocking device that is in Fig. 7 A of open mode;

Fig. 8 A is the perspective view that is in another blocking device of closed state;

Fig. 8 B is the perspective view of blocking device that is in Fig. 8 A of open mode;

Fig. 9 A is the side cross-sectional, view of blocking device, for the sake of clarity, and not shown locking band;

Fig. 9 B is the side cross-sectional, view of the blocking device of Fig. 9 A, latch plate is shown is in position with the covering member initial engagement;

Fig. 9 C is the side cross-sectional, view of the blocking device of Fig. 9 A, latch plate is shown is in compression or position latching fully;

Figure 10 A is the installation component of blocking device and the side cross-sectional, view of bottom member attachment portion;

Figure 10 B is another installation component of blocking device and the side cross-sectional, view of bottom member attachment portion;

Figure 11 A is the perspective view of blocking device;

Figure 11 B is the perspective exploded view of the blocking device of Figure 11 A, not shown capsule;

Figure 11 C is the side view of the blocking device of Figure 11 A;

Figure 12 is the bottom perspective view of bottom member of the blocking device of Figure 11 A;

Figure 13 is the front view of capsule of the blocking device of Figure 11 A; And

Figure 14 is the side perspective view of lashing groove (lanyard slot) part of blocking device.

Embodiment

These specifically describe the embodiment of the inventive aspect of just having described the application and are not the category that is intended to limit by any way claims.In fact, than preferred embodiment broad sense and not limited by preferred embodiment more, and the term in claims has its comprehensive common meaning by the described invention characteristics of claims.

The application is susceptible to a kind of blocking device, and it is by covering the actuation member of extending from instrument with restriction approaching to actuation member, thus prevented to such as the such instrument of valve near or handle.In one embodiment, blocking device can comprise cover and the flexible member that is attached on the cover, and this flexible member centers on this instrument tensioning so that cover is fixed on the actuation member.This device can possess one or more characteristics in the invention characteristics disclosed herein so that improved adaptability, reliability, Security and/or convenience to be provided.For example, device can be suitable for fitting together with dissimilar and big or small valve.In some applications, the obducent big I of locking is suitable for covering described valve and handle still is assembled on the valve, if particularly less handle is being used under the situation of this valve, such as knob handle or plug type handle.In other is used, before the valve blocking device is installed, the valve handle can be disassembled from actuation member.In a kind of such application, can possess blocking device and be used for the valve handle and any related hardware that are removed are carried out stored on-site such as a bag or the such storage compartment of bag.

In an one exemplary embodiment, blocking device can comprise flexible member, such as the locking band, is used for around the valve body tensioning cover is fixed in the actuation member that stops on the valve body near valve.The length of flexible member can be enough to adapt to different big or small valve bodies.As another example, this device can comprise pedestal and cover, can the part of this flexible member of banding become flexible to prevent flexible member between them.As another example, this device can comprise that the mechanism that is used for pedestal and cover lock together separates with pedestal up to this mechanism's release and cover with the banding state of keeping flexible member.

Though the drawing and description diagram has also been described the embodiment who is applicable to valve, the many characteristics in the characteristics of one exemplary embodiment can be used for the blocking device such as the so dissimilar instruments of electrical control part.This device can be of value to the application that instrument wherein must be locked, such as, wherein attendant's fluid system or factory installation that fluid system the connected application of keeping in repair, wherein known such as the such instrument of valve is out of order, perhaps wherein must not change control setting.As an example, this device can be used for by the device that uses conventional lockType or locking component (such as padlock, hasp, cable or similar object) the block of valve due to desirable mobile setting or position, such as open, closure, or the flow rate of setting.Application can comprise nonvolatil or temporary locking.Device according to the application can be durable under normal the use and can ad infinitum use.

The schematically illustrated exemplary blocking device 1 that comprises some inventive aspect of the application of Fig. 1, and Fig. 2 A to Figure 14 illustrates one exemplary embodiment more specifically.Device 1 is illustrated as the actuation member B that is assembled in valve A and goes up with the approaching or operation of restriction to valve A.Illustrated device 1 comprises bottom member 2 and covering member 4.Expect that as the application is set covering member 4 and bottom member 2 can be attached at attachment portion 3 places.Covering member 4 and bottom member 2 can many different modes (such as, at the pedestal of one piece design and interlock slot and tongue piece, fastening piece, hinge or the flexible web between the covering member part) one of be attached to each other at attachment portion 3 places.The responsible installation padlock of another one exemplary embodiment or other locking component are fixed to independent covering member on the bottom member.

In the illustrated embodiment of Fig. 2 A to Figure 14, as in Fig. 2 A and Fig. 2 B, being clearly shown that, covering member 40 is sentenced the hinge form at hinge portion 15 and is installed on the bottom member 20, makes covering member 40 to pivot between open position and closure or locked position of coupler with respect to substructure member 20.In one embodiment, hinge portion 15 can comprise the joint pin that is positioned on one of covering member and bottom member, and is positioned at the hinge leaf among covering member and the bottom member another.Any or two can possess elliptic cross-section in joint pin and the hinge leaf, make that oval joint pin and/or hinge leaf are used for the described covering member of bias voltage to be retained in open position when covering member is pivoted to open position.In the illustrated embodiment shown in Fig. 2 A and Fig. 2 B, bottom member 20 possesses oval joint pin 25 and covering member 40 possesses oval hinge leaf 45.

As schematically illustrated in Fig. 1, covering member 4 comprises cover part 4a, and cover part 4a is covered with the opening 2a in the bottom member 2 when being in locked position of coupler.The big I of this opening 2a be suitable for admitting the actuation member B that extends from valve body A sidepiece (such as, valve rod), thereby make the closure of covering member will optionally limit approaching to actuation member B, and when covering member 4 is opened, allow approaching to actuation member.Though the exemplary cover part 43 (referring to Fig. 2 A) of concrete illustrated embodiment is illustrated as plat surface, the cover part also can possess wavy or cup-shaped surface upwards with the part of the end of admitting actuation member or have any other surface that is suitable for holding actuation member.

Though can use many materials to construct bottom member and covering member, can the elasticity of selection and durable plastic materials provide flexibility to adapt to the durable snap-fit engagement between bottom member and the covering member.In one embodiment, bottom member can provide with 5% glass filled polypropylene.In another embodiment, the 4a of cover part at least of covering member 4 provides with transparent material, and for example, colourless or light plastic materials is in order to provide the visibility to the upper surface of actuation member when covering member 4 is in locked position of coupler.Because the actuation member of the valve of many types or valve rod provide the position vision indication to valve position, such as bearing mark or positioning rod par, then the visibility in the idle interval actuation member can allow the user to determine the position or the setting of valve fast.An example of this material is PC Lexan 920A.Covering member 4 also can possess display surface, is equipped with label on display surface, and label comprises warning, safety instruction or other mark, and it can further discern the position or the state of valve.

As shown in Figure 1, blocking device can comprise flexible member 6, such as band, cable, chain or rope, it can be connected with bottom member 2 and/or covering member 4, wind such as the part of the such instrument of valve A main body and tensioning, and be fixed to bottom member 2 and/or covering member 4 so that cover is fixed on the instrument at a unitary part place of compliant member.In one embodiment, banding band or locking band 6 are connected to bottom member 2 and/or covering member 4 at one end directly or indirectly, thereby make that this band can be around valve body A tensioning being fixed in bottom member and covering member on the actuation member of extending from valve body, and the part of band 6 is fixed between bottom member 2 and the covering member 4 to prevent that band 6 from becoming flexible.The big I of locking band 6 has sufficient length with the tensioning around the valve body of size with wide range and shape.For example, blocking device 1 can possess about 36 inches long locking band to adapt to the most of valve in 3/8 " to 4 " pipe-line system.Though flexible member can provide to adapt to multiple application with many different materials, can select durable the repeated use with tolerance to reach very high tension force with flexible plastic material.In one embodiment, band provides with 100% polypropylene fiber.

As schematically illustrated in Fig. 1, the bottom member 2 of blocking device and covering member 4 can possess opposed retaining part 2b, 4b, it is suitable for when covering member 4 is in locked position of coupler keeping between two retaining parts or the part of the described locking band 6 of banding, prevents that at idle interval the banding of band 6 from partly moving and to prevent to lock band 6 loosening from valve body A.Opposed retaining part 2b, 4b can comprise the different banding device of some, comprise for example opposed friction surface, interlockable teeth, the combination of any device in hole of aiming at pin or the device that these and other is such.In such embodiment, the first banding device comprises one or more banding pin, and second or opposed banding device comprise one or more corresponding recess, recess is configured to when covering member is in closure or locked position of coupler to admit the banding pin.The banding pin can be suitable for engaging position between the braided wire in band with more fixing band, and in some applications, the banding pin can possess pointed end and come banding and fixedly band more energetically with the braided fabric that pierces through band.

(and also for example shown in embodiment of Fig. 5 A to Fig. 5 B) as shown in FIG. 3, covering member 40 can comprise that a plurality of banding pins 47 and bottom member 20 can comprise that a plurality of complementary shapes hole 27 is used for admitting pin 47 when covering member 40 is in the close position.As another example, as (and also as shown in embodiment of for example Fig. 8 A to Fig. 8 B) illustrated in Fig. 4, one or more corresponding groove 27 of a plurality of banding pins 47 of covering member 40 ' can comprise ' and bottom member 20 ' can comprise ', groove 27 ' be configured to when the described pin 47 of covering member 40 ' admit when being in the close position '.In another one exemplary embodiment, as shown in the embodiment of Fig. 7 A to Fig. 7 B, the groove 27 among the bottom member 20c ' can comprise hole 27c, hole 27c be aligned with when covering member 40c is in locked position of coupler, admit banding pin 47 ' end or top.

When covering member 40 is in the close position when being used to clamp band 60, banding pin 47 can be orthogonal to the banding part (referring to Fig. 3) of band 60.In another embodiment, as shown in Figure 4, when covering member 40 is in the close position, banding pin 47 ' can be angled or nonopiate with the banding part of band 60, make to clamp band 60 when banding pin 47 ' more energetically when loosening direction spurs band, this can more effectively be fixed to valve body A with blocking device 10.

As schematically illustrated in Fig. 1, be used for banding in order between bottom member 2 and covering member 4, to admit flexible member 6, then groove or other such opening 2 can be located in bottom member and the covering member any or the two in.As shown in Figure 3 and Figure 4, article one, trough of belt (or be called " entering the bar trough of belt ") 26 and second trough of belt (or be called " lead trough of belt ") 28 can be located on the bottom member 20 on the both sides of retaining part 27, make locking band 60 can upwards insert to pass and enter groove 26, on retaining part 27, stretch, and back insert downwards and pass lead-out groove 28.Groove 26,28 can be positioned such that from the free end 68 of the band 60 of lead-out groove 28 extensions and can easily be spurred so that band 60 abuts against valve body A and tensioning.

According to the application, blocking device can possess a kind of being used for covering member and bottom member are locked in together to prevent carry out the mechanism of unauthorized operation through the valve of locking in operating position or locked position of coupler.An example of this mechanism is flange or the plate that extends from this device, it comprises one or more aperture, such as hole or groove, can move from locked position of coupler to hinder covering member by the aperture insertion such as padlock or one or more such locking component of cable.As schematically illustrated in Fig. 1, this device 1 can comprise locking bar 5, and locking bar 5 extends from one of base component 2 and covering member 4, makes the assembling of locking component L and locking bar 5 prevent that covering member 4 from moving to open position from operating position.In the diagram one exemplary embodiment of Fig. 5 A to Fig. 5 B, Fig. 6 A to Fig. 6 B, Fig. 7 A to Fig. 7 B and Fig. 8 A to Fig. 8 B,

locking bar part

21a, 21b, 41c, 21d limit a plurality of lock bore 24 separately, and lock bore 24 is suitable for admitting padlock shackle or other such locking component.Though locking bar can possess only lock bore,, then allow to use a plurality of locking components to provide additional reliability to prevent that valve is carried out unauthorized to be used owing to can utilize a plurality of lock bore 24.

Be used for covering member be fixed in operating position locking bar part can with on many multi-form many different parts that provide and be arranged at one of bottom member and covering member with another many different pieces of extend past covering member and bottom member, comprise outward edge or opening, make the locking component that is inserted to hinder covering member moving from locked position of coupler.Shown in Fig. 5 A and Fig. 5 B, when covering member 40a was closed, locking bar 21a can extend through the opening 41a the covering member 40a from the middle part substantially of bottom member 20a.In another embodiment, shown in Fig. 6 A to Fig. 6 B, when covering member 40b was closed, locking bar 21b extended through the trough of belt tongue piece 41b of the front portion of covering member 40b from the front portion of bottom member 20b.Though locking bar can extend from

bottom member

20a, 20b shown in Fig. 5 A to Fig. 5 B and Fig. 6 A to Fig. 6 B, in another embodiment shown in Fig. 7 A to Fig. 7 B, when covering member 40c was closed, locking bar 41c extended through groove 21c the bottom member 20c from covering member 40c.In addition, though can (for example) by injection-molded come with bottom member and covering member integrally form locking bar (as shown in the embodiment of Fig. 5 A to Fig. 5 B, Fig. 6 A to Fig. 6 B and Fig. 7 A to Fig. 7 B), locking bar need not with bottom member be one because it can be attached on the bottom member with some alternate manner.As an example, as shown in Fig. 8 A and Fig. 8 B, locking bar 21d can be the hinge that is installed on the bottom member 20d front portion, with facility locking bar 21d is inserted by the corresponding groove 41d among the covering member 40d.

According to the application, blocking device also can possess the extra device or the mechanism that separate with the lockhole mouth covering member is immobilizated in closure or locked position.Some example of these mechanisms comprises fastening matching surface, clasp, fastening piece or other such parts.The co-pending U. S. Patent that the name that a kind of such exemplary device was submitted on June 13rd, 2006 is called " Lockout Device (blocking device) " is announced in No. 2006/0283215 and is disclosed, and the full text of this application bulletin does not conflict with the application for it with the degree that way of reference is attached to herein.

In one embodiment, in order to assist that covering member is fixed on the bottom member in order to restriction approaching to instrument, latch member can fit together and be movable to position latching with bottom member, at position latching, latch member remains in operating position with covering member.Latch member also can help when covering member be in the close position and latch member when being in position latching the banding to band partly apply the compression chucking power.Many different latch member also can fit together with bottom member and be used for being fixed to covering member on the bottom member and/or be used to abut against bottom member compression covering member.In one embodiment, as (and for example as shown in embodiment of Fig. 5 A to Fig. 5 B) illustrated in Fig. 9 A to Fig. 9 C, latch member comprises latch plate 30, and latch plate 30 is attached on the bottom member 20 pivotally at hinge portion 35 places.Latch plate 30 can be pivoted to the position latching shown in Fig. 9 C, wherein latch plate 30 is compressed against on the covering member 40 to keep covering member 40 in operating position, thus the banding part of band (not shown) is fixed as clamping with the

banding device

27,47 of bottom member 20 and covering member 40 and engages.For latch plate 30 is remained in position latching, latch plate can be configured to make the locking component that is fixed to one of lock bore 24 to hinder latch plate 30 to shift out from position latching.As an example, illustrated in Fig. 9 A to Fig. 9 C, latch plate can comprise aims at aperture 34, when covering member is in the close position and latch plate when being in position latching, aims at aperture 34 and aims at the lock bore 24 of locking bar 21.

Engage in order to strengthen the clamping of

banding device

27,47 on band 60, the engaging surface of latch plate 30 and covering member 40 can comprise the compression device, the compression device has and compressible interference fit each other, thereby latch member 30 is pushing covering

member

40 and 40 one-tenth tighter clampings of band engage.Before latch member 30 and covering member 40 arrive the state that might carry out locking (for example, wherein aim at aperture 34 and do not aim at lock bore 24 as yet, shown in Fig. 9 B), the compression device can contact with each other.In order to allow locking, latch member 30 is pressing covering member 40, and the banding device 47 that pushes described covering member 40 becomes tighter or more close clamping to engage with band (not shown).Shown in Fig. 5 B and Fig. 9 A to Fig. 9 C, the compression device can comprise ridge 46 and complementary connected in star or chamber 36.When covering member 40 is in the close position when moving to position latching with latch member 30, before will aiming at aperture 34 and lock bore 24 is aimed at, ridge 46 touches chamber 36, shown in Fig. 9 B.For two groups of

apertures

24,34 are aimed to carry out locking, latch plate 30 pushes described ridge 46 and deeper enters in the chamber 36 (referring to Fig. 9 C) against covering member 40 compressions, and this applies chucking power to band.In one example, the ridge on covering member 40 46 also can provide structure to strengthen to the part of the covering member 40 that extends banding pin 47 or strengthen to prevent in conjunction with banding pin 47.

For valve blocking device and valve are fitted together, bottom member can be fixed with valve body directly or indirectly, and the actuation member of valve is received in the opening in the bottom member.In one embodiment, the valve blocking device can possess installation component, and installation component can be connected so that bottom member is installed on the valve body with bottom member.In the illustrated embodiment, backboard or installation component 70 are attached to bottom member 20, in order to bottom member 20 is installed on the valve body.Installation component 70 possesses opening 73 (referring to Fig. 2 A and Fig. 2 B), and it is aimed to admit actuation member by it with bottom member opening 23.Can use many different mechanisms that installation component is attached on the bottom member, such as, fastening piece, tackiness agent and interlocking engage.In the illustrated embodiment shown in Figure 10 A and the 10B,

corresponding attachment slot

37,38 is used for the snap-fit engagement between bottom member 20 and the installation component 70 flexible fingers of extending from installation component 70 or snap-fastener 77 and the hook 78 engage base members 20.Installation component 70 also can possess bar trough of belt 76, and it is aimed at corresponding bottom member lead-out groove 26 to allow to insert locking band 60.As shown in Figure 3 and Figure 4, installation component bar trough of belt 76 can outside tapered inclination so that band 60 insert.Though can use many materials to construct installation component, can that the elasticity of selection and durable plastic material provide is flexible to adapt to the snap-fit engagement of bottom member and to provide heat resistance so that can be used to be exposed to valve under the extreme temperature.In one embodiment, installation component is to provide with 5% glass filled polypropylene.

In addition, installation component 70 is fixed to blocking device 10 with engage first end or the fixed end 63 (Figure 11 C) that can be used for band 60 between the bottom member 20, for example, and by between installation component and bottom member, keeping strip ends 63.Though can use many different configurations to fix strip ends 63, in the illustrated embodiment of Figure 11 A to Figure 11 C, installation component 70 comprises anchoring pins 72 (Figure 11 B), and anchoring pins 72 is passed the corresponding hole (not shown) in the strip ends 63.Bar is with holes can (for example) to be stamped or cross cutting, and the edge be heat sealed with prevent to wear and tear or tearing hole around ribbon fiber.Anchoring pins 72 is receivable in the corresponding anchoring chamber 22 in the bottom member 20, as shown in the lower perspective view of Figure 12, with the shearing force on stable anchorage pin 72 when the described band 60 of pulling and the banking pin 72.

Installation component 70 can possess installation surface to engage the matching surface of valve body regularly.In the illustrated embodiment, as shown in the exploded view of Figure 11 B, installation surface is included in the cushion pad 71 (referring to Fig. 4) around the installation component opening 73.Cushion pad 71 can provide with soft and/or compressible material, such as, closed-cell foam material is such as EPDM (ethylene propylene diene rubber) spongy rubber.During being installed together with valve body, therefore, can make cushion pad 71 distortion to meet the shape of valve body, tighter cooperating between the stability that improves to some extent of blocking device 10 and installation component 70 and the valve body is provided.When tensioning locking band 60, compressible cushion pad 71 also provides the sense of touch prompting to the user, because cushion pad 71 " reduces as far as possible " against valve body the obvious increase of locking band 60 tension force will be provided during tensioning.

For further identification block of valve fixed condition and/or further hinder approaching to this lock-up valve, blocking device can possess extra capsule, and when blocking device and valve fitted together, this capsule covered this valve.This capsule can be multiple different form, such as, tubular capsule, extensible this tubular capsule that passes of fluid system pipeline, perhaps, is suitable for covering the sheet type capsule of at least a portion of valve body.In one embodiment, this capsule can provide to cover the valve of different shape and size with flexible material.Capsule can be connected to the lower surface of bottom member, makes that capsule is placed between bottom member and the valve body when blocking device is installed.In the illustrated embodiment, shown in Figure 11 A and Figure 11 C, blocking device possesses durable type capsule or the packet portion 80 that is fixed between bottom member 20 and the installation component 70.(not shown) in another embodiment, this capsule are attachable to first end 63 of locking band 60, for example by sewing, glue together or utilize fastening piece to fix, so that extra or substituting being connected between locking bar band edge 63 and the bottom member 20 to be provided.As shown in figure 13, exemplary capsule 80 comprises that some

openings

82,83,86,87 are positioned between installation component 70 and the base component 20 with a part that allows capsule 80.The opening of aiming at anchoring pins 72 and anchoring chamber 22 82 allows anchoring pins 72 to be received in the anchoring chamber 22.The opening of aiming at bottom member and

installation component opening

23,73 83 allows to admit actuation member by installation component and bottom member opening 73,23.Opening 86 is aimed at bar trough of

belt

26,76 to allow locking band 60 to insert by bar trough of belt 26,76.Opening 87 is aimed at

attachment slot

37,38 to allow bottom member 20 to be attached to installation component 70.Though can use many materials to construct capsule,, provide serviceability and heat resistance such as vinyl coated fabric can select the durable plastic material sheet material.

Capsule can play multiple function, comprise, for example, identification to blocking or locking reason is provided, provide to illustrate and install and/or remove the diagram of locking device or the mark of written explanation, cover valve body with further obstruction approaching to blocking-valve, perhaps provide compartment to be used for maintenance explanation, valve or other fluid system component or other article.In one embodiment, can provide closeable compartment to be used for stores, such as at the handle that unloads from valve before the valve blocking be used for handle is assembled into any installation hardware on the actuation member, such as Stem Mut or positioning screwn.In the illustrated embodiment of Figure 13, storage chamber 84 possesses a pair of slide fastener 85 and is used for closed this chamber.When lock-up valve is wanted return, this layout provide to the handle that unloads and install hardware then and there and approaching easily, simultaneously at valve blocking minimization valve handle with the risk that hardware is lost is installed.

The capsule compartment can locked closure further to minimize the possibility that valve vibration or valve handle are lost.Can use many mechanisms to come the compartment of locked closed, such as inserting padlock, cable or other locking component by the opening in the compartment opens end or by the hole in the tongue piece of one or more slide fastener.In one embodiment, lashing can possess the two ends that are attachable on the blocking device, makes lashing to insert slide fastener is kept together to prevent that compartment from opening by two zipper heads or slide fastener tongue piece.For example in the illustrated embodiment shown in Fig. 5 A and Figure 14, flexible lashing 90 possesses countersink or the expansion anchored end in the anchoring chamber 36 96 that is immobilizated in the bottom member 20 and is receivable in complementary shape lashing groove in the bottom member 20 or the flange free end 99 in the receiver chamber 39.For the chamber 84 of locked closed, slide fastener 85 is pulled together and the free end 99 of lashing 90 passes slide fastener tongue piece 85a insertion.Then, free end 99 is inserted in the lashing groove 39 (referring to Figure 14).When covering member 40 was pivoted to operating position, the sidewall 59 on covering member 40 (Figure 11 B and Figure 11 C) covered lashing groove 39, thereby the free end 99 of fixing lashing 90 turns back to open position up to covering member 40.By using this mechanism, as long as locking device 10 is in barring condition, chamber 84 keeps locked closed, in case and locking device 10 releases, chamber 84 can be opened, and valve handle and/or other article are by approaching.Though can use many materials to construct lashing,, can select elasticity and flexible plastic material in order to be easy to use.In one embodiment, system can provide with low density polyethylene.

According to a kind of exemplary method, in order to use Fig. 2 A to exemplary valve blocking device shown in Figure 14, at first to realize desirable valve state valve is set to desirable lock state by using the valve handle to handle actuation member, such as closure, (partially opening) position of flowing of opening or regulate.Remove handle from actuation member then, and any installation hardware that is associated.Valve handle and the installation hardware that is associated are placed in the chamber 84, and slide fastener 85 is pulled together with closed cavity 84.Valve blocking device 10 is placed in and makes actuation member be accepted in the aligning

opening

73,23 in installation component 70 and the bottom member 20 on the valve body, and cushion pad 71 is pressed against on the upper surface of valve body.The free end 99 of lashing 90 passes slide fastener tongue piece 85a and inserts and slide in the lashing groove 39 in the bottom member 20.

Locking band 60 is wrapped in around the valve body, inserts the bar trough of

belt

76,26 that passes the aligning in installation component 70 and the bottom member 20, stretches also to insert downwards on bottom member retaining part 27 and passes bottom member lead-out groove 28.The free end 68 of pulling locking band 60 is with around valve body tensioning band, up to experiencing because cushion pad 71 drops to the tension force that is caused that minimum point abuts against valve body increases.Covering member 40 is pivoted to locked position (referring to Figure 11 C) from open position, and admits locking bar 21 by corresponding groove 41.In the embodiment of Fig. 5 A to Fig. 5 B and Fig. 9 A to Fig. 9 C, in order to aim at the lock bore 24 of locking bar 21 in the aligning aperture 34 that makes latch plate 30, latch plate 30 is pivoted on the covering member 40 and is pressed against on the covering member 40, and

compression device

36,46 is against compressing each other to force 60 one-tenth tighter clampings of covering member 40 and band to engage.

Insert (and under the embodiment's of Fig. 5 A to Fig. 5 B and Fig. 9 A to Fig. 9 C situation also by aiming at aperture 34) and locked to keep this insertion such as the locking component of padlock by one of lock bore 24, this prevents that by hindering from corresponding opening 41 extraction locking bars 21 covering member 40 from moving to open position.

Though describe and illustrated various inventive aspect of the present invention, notion and characteristics in this article, as embodying in conjunction with one exemplary embodiment, these various aspects, notion and characteristics can individually or with various combinations and its sub-portfolio be used for many alternate embodiments.Unless foreclose clearly in this article, all these combinations and sub-portfolio are expected in the category of the present invention.In addition, though can describe each alternate embodiment in this article about various aspects of the present invention, notion and characteristics, such as substitution material, structure, configuration, method, circuit, device and parts, software, hardware, control logic, about substituting of form, cooperation and function etc., but these describe expection is not the complete or detailed understanding of available alternate embodiment, no matter is alternate embodiment at present known or that developed afterwards.Those skilled in the art are easy in inventive aspect, notion or the characteristics one or more used in the extra embodiment and purposes in the category of the present invention, even these embodiments are open clearly in the present invention.In addition, although in this article some characteristic of the present invention, notion and aspect are described as preferred the layout or method, unless clearly know to be this situation, these are described and are not hinted out that these characteristics are that need or essential.In addition, can comprise that exemplary or representational value and scope help understand present disclosure; But these values and scope should not understood in a limiting sense and only could be key value or scope clearly being set fourth as in this case.In addition, though various aspects, characteristics and notion can be identified as innovation of the present invention or component part in this article clearly, these identification expections are not detailed, describe herein comprehensively but clearly are not identified as innovation aspect, notion and the characteristics of the part of such part or concrete invention but can exist.Unless clearly be set fourth as this situation, the description of exemplary method and process be not limited to comprise in steps for needing in all cases, it is that need or essential the order that is proposed neither to be thought.

Claims

1. blocking device that is used for instrument, described instrument have main body and from the actuation member of described Subject Extension, described actuation member is used to operate described instrument, and described blocking device comprises:

Bottom member, it is suitable for being positioned on the described main body, and described bottom member comprises the first banding device and is used to admit the aperture of described actuation member;

Covering member, it can be connected to described bottom member and be used for moving between operating position and open position, described covering member comprises the cover part and the second banding device, described cover part is used for covering described actuation member in described operating position, and the described second banding device is suitable in described operating position and the described first banding device interlocking; And

Flexible member, it has first end that is connected to one of described bottom member and described covering member, and wherein said bottom member and covering member are suitable for admitting the banding part of described flexible member between the described first banding device and the second banding device;

One of the wherein said first banding device and second banding device comprise at least one pin, and in the described first banding device and the second banding device another comprises at least one the corresponding recess that is configured to admit described at least one pin; And

Wherein around described flexible member is wrapped in the part of described main body and be received between the described first banding device and the second banding device and described covering member when being in described operating position, the banding part of described first banding device and the described flexible member of the second banding device clamping partly moves with respect to described banding device to prevent described banding.

2. blocking device according to claim 1, wherein said at least one recess comprises at least one groove.

3. blocking device according to claim 2, wherein said at least one pin comprises at least one marketing, described at least one marketing is oriented to be received in described at least one groove.

4. blocking device according to claim 2, wherein said at least one groove comprise at least one hole of the end that is used to admit described at least one pin.

5. blocking device according to claim 1, wherein said at least one recess comprises at least one hole.

6. blocking device according to claim 1, wherein said at least one pin partly is nonopiate with respect to banding of described flexible member, makes to be in the close position and the banding part of described flexible member is applied the clamping of increase when pulled by described at least one pin on first direction when described covering member.

7. blocking device according to claim 1, wherein said at least one pin comprises pointed end.

8. blocking device according to claim 1, it also comprises first groove and second groove, the contiguous described first banding device of described first groove and second groove and the second banding device and be suitable for admitting described flexible member and described banding partly is positioned between the described first banding device and the second banding device.

9. according to the described blocking device of claim 1, it also comprises the locking bar that is connected with one of described covering member with described bottom member, described locking bar comprises at least one lock bore, wherein when described covering member was in described operating position, described locking component passed described at least one lock bore insertion and prevents that described covering member from moving to described open position from described operating position.

10. blocking device according to claim 9, wherein said locking bar and one of described bottom member and described covering member are one.

11. blocking device according to claim 9, wherein said locking bar fits together with one of described bottom member and described covering member.

12. blocking device according to claim 11, wherein said locking bar can pivot with respect to one of described bottom member and described covering member.

13. blocking device according to claim 9, wherein said locking bar is connected with described bottom member.

14. blocking device according to claim 9, wherein said locking bar is connected with described covering member.

15. blocking device according to claim 9, another in wherein said bottom member and the described covering member comprise that also opening is used for admitting described locking bar in described operating position by described opening.

16. blocking device according to claim 10, it also comprises the latch plate that fits together with described bottom member, wherein when described covering member is in described operating position, described latch plate is movable to position latching, wherein, described latch plate is fixed in described operating position with described covering member.

17. blocking device according to claim 16, wherein said latch plate comprises second locking bar, described second locking bar comprises at least one aligning aperture, when described latch plate is in described position latching, described at least one aligning aperture is aimed at at least one lock bore of first locking bar of being stated, wherein when described covering member is in described operating position and described latch plate and is in described position latching, the insertion of the locking component that carry out at least one lock bore by described aligning and the aperture of aligning prevents that described latch plate from shifting out from described position latching.

18. a locking device that is used for instrument, the actuation member that described instrument has main body and is used to operate described instrument from described Subject Extension, described blocking device comprises:

Bottom member, it is suitable for being positioned on the described main body, and described bottom member comprises first retaining part and is used to admit the aperture of described actuation member;

Covering member, it can be connected to described bottom member and be used for moving between operating position and open position, described covering member comprises the cover part and second retaining part, described cover part is used for covering described actuation member in described operating position, and described second retaining part is suitable for engaging described first retaining part in described operating position;

Locking bar, it is connected with one of described covering member with described bottom member, described locking bar comprises at least one lock bore, wherein when described covering member is in described operating position, inserts locking component by described at least one lock bore and prevent that described covering member from moving to described open position from described operating position;

Flexible member, it has first end that is connected to one of described bottom member and described covering member, and wherein said bottom member and covering member are suitable for admitting the banding part of described flexible member between described first retaining part and second retaining part; And

Latch plate, itself and described bottom member fit together, and wherein when described covering member was in described operating position, described latch plate was movable to position latching, and wherein, described latch plate is fixed in described operating position with described covering member;

Wherein when described flexible member be wrapped in described main body around and be received between described first retaining part and described second retaining part and described covering member when being in described operating position, described first retaining part and second retaining part prevent that the banding of described flexible member from partly moving with respect to described retaining part.

19. blocking device according to claim 18, wherein said latch plate comprises second locking bar, second locking bar comprises at least one aligning aperture, described at least one aligning aperture is aimed at at least one lock bore of first locking bar of being stated when described latch plate is in described position latching, wherein when described covering member is in described operating position and described latch plate and is in described position latching, the insertion of the locking component that carry out at least one lock bore by described aligning and the aperture of aligning prevents that described latch plate from shifting out from described position latching.

20. blocking device according to claim 18, wherein said latch plate comprises that the first compression device and described covering member comprise the second compression device, wherein said latch plate makes the described first compression device engage with the described second compression device to the mobile of described position latching, thereby makes described latch plate partly apply chucking power by described covering member to the banding of described flexible member.

21. blocking device according to claim 20, the wherein said first compression device and second compression one of device comprise at least one rib, and in the described first compression device and the second compression device another comprises the chamber of at least one complementary shape.

22. a blocking device that is used for instrument, the actuation member that described instrument has main body and is used to operate described instrument from described Subject Extension, described blocking device comprises:

Covering member, it can be connected to described bottom member and be used for moving between operating position and open position, described covering member comprises the cover part and second retaining part, described cover part is used to cover actuation member in described operating position, and described second retaining part is suitable for engaging first retaining part in described operating position;

Locking bar, it is connected with one of covering member with described bottom member and can pivots with respect to one of described bottom member and covering member, described locking bar comprises at least one lock bore, wherein when described covering member is in described operating position, inserts locking component by described at least one lock bore and prevent that described covering member from moving to described open position from described operating position; And,

Flexible member, it has first end that is connected to one of described bottom member and covering member, and wherein said bottom member and covering member are suitable for admitting the banding part of described flexible member between described first retaining part and described second retaining part;

Wherein be wrapped in around the described main body and be received between described first retaining part and second retaining part and described covering member when being in described operating position when described flexible member, described first retaining part and second retaining part prevent that the banding of described flexible member from partly moving with respect to described retaining part.

23. a blocking device that is used for instrument, the actuation member that described instrument has main body and is used to operate described instrument from described Subject Extension, described blocking device comprises:

Locking bar, it is connected with covering member with described, described locking bar comprises at least one lock bore, wherein when described covering member is in described operating position, inserts locking component by described at least one lock bore and prevent that described covering member from moving to described open position from described operating position; And,